The original T stat which comes with the OM616 is 78C, keeps the engine at 90C flat, MB then decided to give out 72C T stats which keeps the engine at 80C flat, 82C under extreme heat conditions.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT